Our cheapest offers for flights from San Francisco to London Heathrow

Here you can compare cheap flights from San Francisco (SFO) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
San Francisco London Heathrow	Outbound 09/19/25 1 Stopover (CPH) SK0936, SK0501 29h 40min	Return 09/29/25 1 Stopover (CPH) SK1516, SK0935 29h 50min	SAS Scandinavian Airlines		$579
Best option San Francisco London Heathrow	Outbound 09/19/25 direct IB3627 10h 25min	Return 09/29/25 direct IB3626 11h 05min	Iberia		$637
San Francisco London Heathrow	Outbound 09/19/25 2 Stopovers (PDX, FRA) AS1410, DE2091, LH0906 20h 40min	Return 09/29/25 2 Stopovers (FRA, BOS) LH0923, DE2038, AS0356 24h 22min	Alaska Airlines, Condor, Lufthansa		$1,091
San Francisco London Heathrow	Outbound 09/19/25 1 Stopover (CPH) SK0936, SK0501 29h 40min	Return 09/29/25 1 Stopover (CPH) SK1516, SK0935 29h 50min	SAS Scandinavian Airlines		$580
San Francisco London Heathrow	Outbound 09/19/25 1 Stopover (CPH) SK0936, SK0501 29h 40min	Return 09/29/25 1 Stopover (CPH) SK1508, SK0935 29h 00min	SAS Scandinavian Airlines	?	$582
San Francisco London Heathrow	Outbound 09/19/25 2 Stopovers (CPH, OSL) SK0936, SK1470, SK0803 29h 55min	Return 09/29/25 1 Stopover (CPH) SK0500, SK0935 17h 50min	SAS Scandinavian Airlines	?	$584
San Francisco London Heathrow	Outbound 09/19/25 1 Stopover (CPH) SK0936, SK0501 29h 40min	Return 09/29/25 1 Stopover (CPH) SK1516, SK0935 29h 50min	SAS Scandinavian Airlines	?	$598
San Francisco London Heathrow	Outbound 09/19/25 1 Stopover (CPH) SK0936, SK0501 29h 40min	Return 09/29/25 1 Stopover (CPH) SK1516, SK0935 29h 50min	SAS Scandinavian Airlines	?	$605
San Francisco London Heathrow	Outbound 09/19/25 1 Stopover (YUL) AC0762, AC0864 14h 10min	Return 09/29/25 1 Stopover (FRA) LH0921, LH0454 14h 10min	Air Canada	?	$654
San Francisco London Heathrow	Outbound 09/19/25 2 Stopovers (YVR, YUL) AC0571, AC0302, AC0866 29h 55min	Return 09/29/25 1 Stopover (FRA) LH0921, LH0454 14h 10min	Air Canada	?	$654

Tips and tricks to help you find cheap flights from San Francisco to London Heathrow

Important flight information

Flight information: San Francisco - London Heathrow

Flight duration	min. 10:15 / max. 10:35
Return flight duration	min. 11:10/ max. 11:25
Distance	8625 km
Flights per week	47
Departure airport	Airport San Francisco International Airport, CA (SFO)
Arrival airport	Airport London Heathrow (LHR)
Destination country	Flights to United Kingdom

Alternative flights to London Heathrow

Flight Los Angeles - London Heathrow from $814
Flight Boston - London Heathrow from $445
Flight Detroit - London Heathrow from $464
Flight Chicago O'Hare - London Heathrow from $584
Flight Denver - London Heathrow from $588
Flight Dallas - London Heathrow from $683
Flight Newark - London Heathrow from $443
Flight New York - London Heathrow from $438
Flight New York - London Heathrow from $579
Flight Cleveland - London Heathrow from $676

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